MFH: r533550

x11-servers/xwayland-devel: don't disable default font path

*.pcf fonts are rendered by X11 server but if font path is disabled
only built-in fonts are available by default. While users could still
amend font path via "xset fp" the discrepancy with xorg-server gave
a bad first impression.

Reported by: jsm
Approved by: ports-secteam blanket (regression fix)